Veteran Gear achievement in Gears of War 4

How to unlock the Veteran Gear achievement in Gears of War 4: Play 100 hours of Versus Multiplayer. This achievement is worth 50 Gamerscore.

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Gears of war 4: In Memoriam Dominic Santiago Achievement Guide

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Gears of War 4 December Update Achievement List Revealed

so I'm trying to get all of the achievements for the original gears of war and a lot of them are multiplayer related and I was wondering if anyone could help me

Gears of War 4 - Gone With The Windflare Achievement Guide - Killed 15 enemies using the environment

Gears of War 4 December Update Achievement List Revealed

Veteran Gear achievement in Gears of War 2 (JP)

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Veteran Gear achievement in Gears of War 2 (JP)